Computer Science · Data Structures
A min-heap is used to prioritize low-risk alerts in a system. After extracting the minimum element from the root, the heap is restored by moving the last element to the root position and performing a heapify-down operation. What is the time complexity of this restoration operation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1O(n log n)
- 2O(log n)✓
- 3O(1)
- 4O(n)
Correct answer
O(log n)
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